<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<title></title>
	</head>

	<body>
		<!--
        	1.将inline 变为 块状元素的方法
        		a.dispaly:block inline-block
        		b.float
       --> 
		<span style="position:absolute ;width: 200px;height: 200px;">test absolute</span>
		<span style="position:fixed ;top: 100px; width: 200px;height: 200px;">test fixed</span>
	</body>

</html>